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#1
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I'm sure a few of you have been here before. You can't figure out why the car won't start so you check your connections...nothing. You then go into the distributor to check your point gap, you grab the rotor to remove it and...the rotor turns in your hand! It's not supposed to be able to do that. So you remove the distributor and find that the shaft which drives the distributor is turning freely down inside its little recess. Oh joy. Just what I need, another project. Here's my question: What's the easiest way to remove the oil pump on a 1969 280 SEL and are there any tips anyone can offer? I'm thinking of welding the two pieces back together since this oil pump has gobs of pressure and the weld will probably be stronger than the original joint. Any thoughts on that too? Thanks in advance.
Thom
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1987 300E 1967 Jaguar E-type Series I, 2+2 |
#2
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First, my sympathies.
Are you sure that the shaft is broken? That is a pretty solid piece of work. Why would it break? All it does is drive the distributor and the oil pump. I think that something else is going on. Can you verify that this is what broke? You can reach down the hole, and grab it and pull it out with needle-nosed pliers. Chuck |
#3
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There's a metal access plate on the front of the block that gets you to the intermediate gears. Start there. Also, if you don't have a two piece oil pan, you CAN'T remove the oil pan w/o pulling the motor or dropping the whole front suspension.
-CTH |
#4
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A mystery solved????
Guys,
I posted this earlier today in the Tech Help forum. Thanks for the advice BenzMac. It gave me the impetus to go back and play with the whole thing to see what the heck you were talking about. Here's where we stand: The oil pump drive shaft on this Benz must be made up of segments that interlock or something like that. When the distributor is removed one can rotate the oil pump drive shaft clockwise but not counterclockwise. What's up with that? There are particular spots around this 360 degrees of motion that work ie: If you put the distributor back in it will not engage the oil pump shaft fully and you will be able to turn the rotor by hand even while pushing down hard on the distributor. I can't see how this operates from my vantage point. However, there are some spots on that 360 degree circle that "catch" and the rotor won't turn either way when the distributor is re-inserted. I then start the car and fine tune the timing and it runs OK, but.... what the hell did I do? I don't quite understand it fully but the car runs very well, as well as it did before anyway. Does anybody know the particulars of this bit of Benz lore? Any info would be greatly appreciated. Cheers. Thom
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1987 300E 1967 Jaguar E-type Series I, 2+2 |
#5
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Something is wrong. My manual shows a horizontal shaft driven by the timing chain driving the vertical shaft for the oil pump and distributor. The horizontal shaft uses a woodruff key. I don't see anything that would turn freely and then catch.
My .02 Chuck |
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